IP Library › Granted Patent US 12,350,303
Granted Patent B2
US 12,350,303 · App. 16/482,623 · Granted Jul 8, 2025

Oncolytic virus therapy

Inventors: Zong Sheng Guo (Wexford, PA); David Bartlett (Pittsburgh, PA); Zuqiang Liu (Wexford, PA); Mathilde Feist (Pittsburgh, PA)
Assignee: UNIVERSITY OF PITTSBURGH—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
A61K35/763A61K35/761A61K35/768A61K38/191A61K38/2013A61K38/217
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Quick Facts
Patent No.
US 12,350,303
App. No.
16/482,623
Granted
Jul 8, 2025
Kind
B2
Abstract

The presently disclosed subject matter relates to tumor infiltrated T cells induced by oncolytic virus (“OV-induced T cells”), methods of making and using said OV-induced T cells for an adoptive T-cell therapy. The presently disclosed subject matter further relates to oncolytic viruses and armed oncolytic viruses, methods of making and using said oncolytic viruses, as well as pharmaceutical compositions and kits comprising said oncolytic viruses.

Claims (9)

1. An oncolytic virus comprising, in its genome, a nucleic acid encoding a membrane-associated fusion protein comprising an immunomodulator molecule directly linked to an anchoring peptide via a rigid linker, wherein:

the immunomodulator molecule comprises SEQ ID NO: 13 or SEQ ID NO: 13 with one or two amino acid variations;

the oncolytic virus is a vaccinia virus;

the nucleic acid is operably linked to an oncolytic virus promoter;

the rigid linker is a peptide linker between 1 and 25 amino acids in length; and

the anchoring peptide comprises a GPI-anchor acceptor peptide.

2. The oncolytic virus of claim 1 , wherein said rigid linker comprises SEQ ID NO:36.

3. The oncolytic virus of claim 1 , wherein the oncolytic virus is a recombinant vaccinia virus with an inactivating mutation of its thymidine kinase gene, vaccinia growth factor gene, or both.

4. The oncolytic virus of claim 1 , wherein said GPI-anchor acceptor peptide comprises SEQ ID NO: 11.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2020
From: GUO, ZONG SHENG; BARTLETT, DAVID; LIU, ZUQIANG; FEIST, MATHILDE
To: UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
Reel/Frame 053895/0308 →
Continuity (2)
Provisional Application 62454526 · Feb 3, 2017
Related Publication 20200000862A1 · Jan 2, 2020
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